CN111055529A - Press machine with dynamic balancing mechanism - Google Patents
Press machine with dynamic balancing mechanism Download PDFInfo
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- CN111055529A CN111055529A CN201911414509.XA CN201911414509A CN111055529A CN 111055529 A CN111055529 A CN 111055529A CN 201911414509 A CN201911414509 A CN 201911414509A CN 111055529 A CN111055529 A CN 111055529A
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- transmission shaft
- balancing
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 67
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0064—Counterbalancing means for movable press elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Press Drives And Press Lines (AREA)
Abstract
A press machine for driving a balance mechanism comprises a slide block, an upper cross beam and a dynamic balance mechanism, wherein one end of a first transmission shaft of the dynamic balance mechanism is connected with a driving gear, one end of a second transmission shaft is connected with a driven gear, the driving gear is meshed with the driven gear, the first transmission shaft and the second transmission shaft are symmetrically arranged according to the horizontal center of the slide block, force application bearings are symmetrically arranged on two sides of the first transmission shaft and the second transmission shaft respectively by taking the vertical center of the slide block as the center, the force application bearings are eccentrically arranged, support bearings are symmetrically arranged on two sides of each force application bearing and support the first transmission shaft and the second transmission shaft, a first balance block is respectively arranged on the first transmission shaft and the second transmission shaft by taking the vertical center of the slide block as the center, a second balance block is respectively arranged on the other sides of the first transmission shaft and the second transmission shaft and is symmetrically arranged by taking the horizontal center of the slide block as the, and the first, second and third balance blocks are opposite to the eccentric direction of the force application bearing.
Description
Technical Field
The invention relates to a part of a press machine, in particular to a dynamic balance mechanism for eliminating the inertia force of the press machine.
Background
Along with the continuous improvement of manufacturing enterprise to the requirement of press speed, high rush speed press has obtained extensive application, but the press inevitably produces inertial force when high-speed operation, and speed is higher, and inertial force is bigger, if can not be fine balanced inertial force, then can make press slider bottom dead center dynamic property very poor, light then influences the precision of press and the life-span of mould, heavy then can probably make press and mould damage, unable the use. It is necessary to balance the inertial force of the high-speed press. In the existing press machine, a dynamic balance mechanism is adopted, the most ideal mechanism is a reverse sliding block mechanism, the inertia force generated in the operation process of the press machine can be basically balanced, but the application range of the press machine is limited to a certain extent due to the complex structure, the large processing difficulty and the troublesome assembly.
In addition, the slide block of the existing press is usually driven by two-point stress, and the balance of the existing press is poor.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art and provide a press machine with a dynamic balance mechanism, which has the advantages of simple structure, uniform pressure and small inertia force.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a press of drive balancing mechanism, its includes slider, entablature, dynamic balancing mechanism includes: first transmission shaft, second transmission shaft, balancing block group, application of force bearing and support bearing, the driving gear is connected to first transmission shaft one end, driven gear is connected to second transmission shaft one end, driving gear and driven gear meshing, first transmission shaft, second transmission shaft set up for central symmetry according to press slider horizontal center to the slider vertical center is at first transmission shaft, the symmetrical application of force bearing respectively in second transmission shaft both sides with the center, application of force bearing eccentric settings, the bilateral symmetry installation support bearing of every application of force bearing, support bearing support first transmission shaft, second transmission shaft, balancing block group includes first balancing piece, second balancing piece, third balancing piece, and first balancing piece uses slider vertical center to install respectively as two sides of center on first transmission shaft, second transmission shaft, and the second balancing piece is installed respectively at first transmission shaft, The third balancing blocks are respectively arranged on two sides of the driving gear and the driven gear which take the thickness of the gear as the center of symmetry, and the eccentric directions of the first balancing block, the second balancing block and the third balancing block are opposite to the eccentric direction of the force application bearing; the dynamic balance mechanism is arranged on the upper cross beam through a support bearing of the dynamic balance mechanism, and the force application bearing is connected to the sliding block through a connecting rod.
Preferably, the first balance weight, the second balance weight and the third balance weight are fan-shaped, so that the mass center of the balance weight can be moved outwards, and the balance inertia force is increased.
Compared with the prior art, the invention has the advantages that: the press machine has simple structure and good dynamic balance effect, and can meet the use requirements.
Drawings
Fig. 1 is a schematic structural diagram of a dynamic balance mechanism according to an embodiment of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a schematic structural diagram of a press with a dynamic balance mechanism according to an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
For convenience of description, the a-a centerline and the B-B centerline in the figures are defined as the front-back centerline and the left-right centerline of the press, respectively, according to the orientation of the figures, but the definition of the a-a centerline and the B-B centerline does not limit the scope and content of the present invention.
As shown in fig. 1-3, a press machine comprises a base 6, a slide block 7, a column 8, an upper cross beam 10 and a dynamic balance mechanism.
Four upright columns 8 are respectively arranged at four corners of the base 6, and an upper cross beam 10 is supported by the upright columns 8 to form a frame of the press machine.
The first and second transmission shafts 2 and 2 'are rollingly supported by an upper cross member 10, in this embodiment by support bearings 5 mounted on the first and second transmission shafts 2 and 2'.
The slide block 7 is connected with the first transmission shaft 2 and the second transmission shaft 2' through a connecting rod 71. In this embodiment, the first transmission shaft 2 and the second transmission shaft 2' are respectively provided with an eccentric column 41, a force application bearing 4 is arranged outside the eccentric column 41, the upper end of the connecting rod 71 is arranged outside the force application bearing 4, and the lower end is connected with the sliding block 7. The lower end of the connecting rod 71 in this embodiment is connected to the slider 7 by a pin 72 mounted on the slider 7.
Fig. 3 shows the position of the slider 7 at the bottom dead center.
As shown in fig. 1 and 2, the dynamic balancing mechanism includes: the device comprises a driving gear 1, a driven gear 1', a first transmission shaft 2, a second transmission shaft 2', a balance block group 3, a force application bearing 4 and a support bearing 5.
The first transmission shaft 2 and the second transmission shaft 2 'are arranged in parallel and are symmetrical relative to the central line A-A, one end of the first transmission shaft is provided with a driving gear 1 and a driven gear 1', the driving gear 1 and the driven gear 1 'are meshed for transmission, and the first transmission shaft 2 and the second transmission shaft 2' rotate simultaneously.
Two application of force bearings 4 are installed to relative B-B center line symmetry on the first transmission shaft 2, application of force bearing 4 eccentric settings, promptly with first transmission shaft 2 decentraction, support bearing 5 is installed to every application of force bearing 4 'bilateral symmetry, and is the same, two application of force bearings 4 are installed to second transmission shaft 2' relative B-B center line symmetry also, application of force bearing 4 eccentric settings, promptly with second transmission shaft 2 'decentraction, support bearing 5 is installed to every application of force bearing 4' bilateral symmetry, install on first transmission shaft 2 and the second transmission shaft 2 application of force bearing 4 and support bearing 5 also relative center line A-A axial symmetry.
The supporting bearing 5 is connected with an upper cross beam 10 shown by dotted lines in fig. 1 through a bearing gland 51, the first transmission shaft 2 and the second transmission shaft 2' are supported on the upper cross beam 10 in a rolling manner, the force application bearings 4 are respectively connected with a slide block of the press machine through connecting rods, so that a double-shaft four-point force application mechanism of the press machine is formed, the first transmission shaft 2 rotates, the second transmission shaft 2' is driven to rotate simultaneously through the driving gear 1 and the driven gear 1', and the press machine slide block is driven to move up and down to perform stamping action due to the eccentric arrangement of the force application bearings 4.
The balance block set 3 includes first balance weights 31 and 31', second balance weights 32 and 32', and third balance weights 33 and 33 'mounted on the first transmission shaft 2 and axisymmetrically mounted with respect to the center line a-a and on the second transmission shaft 2'.
The balance weights 33 and 33 'are respectively installed on the driving gear 1 and the driven gear 1', the first balance weights 31 and 31', the second balance weights 32 and 32', and the third balance weights 33 and 33 'are eccentrically arranged with respect to the first transmission shaft 2 and the second transmission shaft 2', and the eccentric direction is always opposite to the eccentric direction of the force application bearing 4.
Preferably, the first weight and the second weight are respectively positioned at two sides of the force application bearing 4 at the left side and the first weight and the third weight are respectively positioned at two sides of the force application bearing 4 at the right side by taking the B-B center line as a reference, so that the balance of the inertia force is more favorable.
Preferably, the third balance blocks 33 are two and symmetrically disposed on both sides of the driving gear 1 in the thickness direction, and the balance blocks 33 'are the same and symmetrically disposed on both sides of the driven gear 1' in the thickness direction.
Preferably, as shown in fig. 2, the first weights 31 and 31', the second weights 32 and 32', and the third weights 33 and 33' have fan shapes, which are opposite to the eccentricity of the force application bearing 4.
Because the double-shaft four-point force application mechanism is adopted, the inertia force of the press machine in the horizontal direction is basically balanced, and the balance block assembly is arranged, so that the inertia force in the vertical direction can be better balanced, and the press machine can stably move under the high-speed stamping times.
It should be noted that the directional characters such as front, back, left, right, etc. and the words containing the directional characters are used for convenience of description, and are not intended to limit the scope and content of the present invention.
Claims (2)
1. The utility model provides a press of drive balancing mechanism, its includes slider, entablature, dynamic balancing mechanism includes: first transmission shaft, second transmission shaft, balancing block group, application of force bearing and support bearing, the driving gear is connected to first transmission shaft one end, driven gear is connected to second transmission shaft one end, driving gear and driven gear meshing, first transmission shaft, second transmission shaft set up for central symmetry according to press slider horizontal center to the slider vertical center is at first transmission shaft, the symmetrical application of force bearing respectively in second transmission shaft both sides with the center, application of force bearing eccentric settings, the bilateral symmetry installation support bearing of every application of force bearing, support bearing support first transmission shaft, second transmission shaft, balancing block group includes first balancing piece, second balancing piece, third balancing piece, and first balancing piece uses slider vertical center to install respectively as two sides of center on first transmission shaft, second transmission shaft, and the second balancing piece is installed respectively at first transmission shaft, The third balancing blocks are respectively arranged on two sides of the driving gear and the driven gear which take the thickness of the gear as the center of symmetry, and the eccentric directions of the first balancing block, the second balancing block and the third balancing block are opposite to the eccentric direction of the force application bearing; the dynamic balance mechanism is arranged on the upper cross beam through a support bearing of the dynamic balance mechanism, and the force application bearing is connected to the sliding block through a connecting rod.
2. A press with balance mechanism as claimed in claim 1, wherein: the first balance weight, the second balance weight and the third balance weight are fan-shaped, and the center of the fan-shaped is fixed on the first transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911414509.XA CN111055529A (en) | 2019-12-31 | 2019-12-31 | Press machine with dynamic balancing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911414509.XA CN111055529A (en) | 2019-12-31 | 2019-12-31 | Press machine with dynamic balancing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111055529A true CN111055529A (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911414509.XA Pending CN111055529A (en) | 2019-12-31 | 2019-12-31 | Press machine with dynamic balancing mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN111055529A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4785732A (en) * | 1986-06-06 | 1988-11-22 | L. Schuler Gmbh | Push rod stroke adjustment device for a press |
| DE4302345A1 (en) * | 1993-01-28 | 1994-08-04 | Kampf Gmbh & Co Maschf | Roller cutting machine for winding of narrow material strips |
| JPH11319972A (en) * | 1998-05-06 | 1999-11-24 | Aida Eng Ltd | Slide driving device for double-acting press |
| CN200960729Y (en) * | 2006-10-26 | 2007-10-17 | 江苏扬力集团有限公司 | Straight-side double-point high speed precision press with dynamic equalization device |
| CN102431203A (en) * | 2011-12-26 | 2012-05-02 | 江苏扬力集团有限公司 | Synchronous regulation structure for stroke of pressing machine |
| CN202208113U (en) * | 2011-07-22 | 2012-05-02 | 广东锻压机床厂有限公司 | Dynamic balance system of a high-speed precise pressing machine |
| CN203004339U (en) * | 2012-12-31 | 2013-06-19 | 江苏扬力集团有限公司 | Double-point mechanical hydraulic servo press machine structure |
| CN110202814A (en) * | 2019-07-05 | 2019-09-06 | 天津恒兴机械设备有限公司 | A kind of four point pressure machine of servo-closed type |
| CN211994357U (en) * | 2019-12-31 | 2020-11-24 | 宁波精达成形装备股份有限公司 | Press machine with dynamic balancing mechanism |
-
2019
- 2019-12-31 CN CN201911414509.XA patent/CN111055529A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4785732A (en) * | 1986-06-06 | 1988-11-22 | L. Schuler Gmbh | Push rod stroke adjustment device for a press |
| DE4302345A1 (en) * | 1993-01-28 | 1994-08-04 | Kampf Gmbh & Co Maschf | Roller cutting machine for winding of narrow material strips |
| CN1099350A (en) * | 1993-01-28 | 1995-03-01 | 康福有限公司机械工厂 | Slitting cutter used for winding nerrow web at winding station |
| JPH11319972A (en) * | 1998-05-06 | 1999-11-24 | Aida Eng Ltd | Slide driving device for double-acting press |
| CN200960729Y (en) * | 2006-10-26 | 2007-10-17 | 江苏扬力集团有限公司 | Straight-side double-point high speed precision press with dynamic equalization device |
| CN202208113U (en) * | 2011-07-22 | 2012-05-02 | 广东锻压机床厂有限公司 | Dynamic balance system of a high-speed precise pressing machine |
| CN102431203A (en) * | 2011-12-26 | 2012-05-02 | 江苏扬力集团有限公司 | Synchronous regulation structure for stroke of pressing machine |
| CN203004339U (en) * | 2012-12-31 | 2013-06-19 | 江苏扬力集团有限公司 | Double-point mechanical hydraulic servo press machine structure |
| CN110202814A (en) * | 2019-07-05 | 2019-09-06 | 天津恒兴机械设备有限公司 | A kind of four point pressure machine of servo-closed type |
| CN211994357U (en) * | 2019-12-31 | 2020-11-24 | 宁波精达成形装备股份有限公司 | Press machine with dynamic balancing mechanism |
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